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Trism (iPhone)

Published by
Developed by
100 point score based on reviews from various critics.
5 point score based on user ratings.


Trism is a puzzle game designed around the iPhone's ability to touch the screen and tilt it. The screen is filled with a board of triangles (or 'Trisms'), and the player can clear away Trisms by making three or more of the same color touch. These Trisms then disappear, and more slide on-screen. The direction that the new Trisms slide in from is determined by the position that the player holds the iPhone. A skilled player can use varying directions to their advantage, allowing for combos of multiple Trisms being cleared.

To complicate matters, Trisms occasionally get 'screwed in', meaning that all the Trisms on that row can no longer be moved, and instead must be cleared to restore the row back to normal. Other Trisms may become bombs with timers on them - if the player doesn't clear these dangerous Trisms before the timer runs out, the bomb explodes and it's Game Over!

Trism has three different modes of play:
  • Infinism - play for as long as you can! There's no time limit here, it's just the bombs that can end your game.
  • Terminism - a timed game - keep clearing those Trisms to stay in the game!
  • Syllogism - a puzzle mode where you have a set amount of moves to clear all the Trisms in play.


Trism iPhone Slide the row to connect the Trism and clear it.
Trism iPhone You can check out what kind of achievements you've unlocked.
Trism iPhone Title screen
Trism iPhone Slide the iPhone in the correct direction to solve the puzzle.

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User Reviews

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The Press Says

148apps Oct 21, 2008 5 Stars5 Stars5 Stars5 Stars5 Stars 100
Slide to Play Aug 30, 2008 4 out of 4 100


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1001 Video Games

Trism appears in the book 1001 Video Games You Must Play Before You Die by General Editor Tony Mott.
Ben K (23096) added Trism (iPhone) on Jan 17, 2009